CarPro Hydro2 Touchless Silica Sealant 100 ml. Spray and rinse sealant makes paint care effortless! CarPro Hydro2 Touchless Silica Sealant is one of the most hydrophobic paint care products available  water simply rolls off the surface immediately upon contact. Formulated using hydrophilic glass fibers, silicon polymers and advanced fluoropolymers, Hydro2 provides a remarkably glossy, slick finish that complements its superb paint protection. There is no rubbing or buffing when you apply CarPro Hydro2 Touchless Silica Sealant.